Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC)

Apparently, the style needs to be agreed upon first.

llvm-svn: 240390
diff --git a/llvm/lib/Transforms/Scalar/Float2Int.cpp b/llvm/lib/Transforms/Scalar/Float2Int.cpp
index bb90c5f..c931422 100644
--- a/llvm/lib/Transforms/Scalar/Float2Int.cpp
+++ b/llvm/lib/Transforms/Scalar/Float2Int.cpp
@@ -79,7 +79,7 @@
     MapVector<Instruction*, Value*> ConvertedInsts;
     LLVMContext *Ctx;
   };
-} // namespace
+}
 
 char Float2Int::ID = 0;
 INITIALIZE_PASS(Float2Int, "float2int", "Float to int", false, false)